The body continues building up resistance throughout the stage of resistance, until either the body's resources are depleted, leading to the exhaustion phase, or the stressful stimulus is removed.
The physiological arousal in response to stressors is designed to help the body adapt quickly in order to survive and rid itself of the stressful stimuli.
Other studies have investigated the effects of aromatherapy on rats' behavioral and immunological responses to painful, stressful, or startling stimuli.
Strozzi-Heckler has described the process in which, when an individual is exposed to a stressful stimulus, they revert to this conditioned tendency, limiting their available choices for action.
Heart-rate and EEG measures show children with Asperger Syndrome react more strongly to stressful stimuli.
While the secretion of glucocorticoids in response to stressful stimuli is an adaptive response necessary for an organism to respond appropriately to a stressor, persistent secretion may be harmful.
As discussed earlier, a lack of control over one's stressful stimuli generates a degree of psychic numbing.
The right amygdala is also linked with taking action as well as being linked to negative emotions, which may help explain why males tend to respond to emotionally stressful stimuli physically.
The symptoms usually appear within minutes of the impact of the stressful stimulus and disappear within 2-3 days.
Rather than decrease stress in the workplace, SMI techniques attempt to increase eustress with positive reactions to stressful stimuli.